Structural features of residue 67 in chain X

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Electrostatic Interactions:
ARG X 21 NH1	HIS X 67 NE2	2.366	INTRA-CHAIN
ARG X 21 NH2	HIS X 67 NE2	2.315	INTRA-CHAIN
ASP X 39 OD2	HIS X 67 ND1	-1.375	INTRA-CHAIN
HIS X 67 ND1	ARG X 21 NH1	2.319	INTRA-CHAIN
HIS X 67 ND1	ARG Y 226 NH1	2.680	INTER-CHAIN
HIS X 67 ND1	HIS Y 254 ND1	2.570	INTER-CHAIN
HIS X 67 ND1	HIS Y 254 NE2	6.003	INTER-CHAIN
HIS X 67 ND1	ARG Y 256 NH1	2.464	INTER-CHAIN
HIS X 67 NE2	ARG X 21 NH1	2.366	INTRA-CHAIN
HIS X 67 NE2	ARG Y 226 NH1	2.786	INTER-CHAIN
HIS X 67 NE2	HIS Y 254 ND1	1.933	INTER-CHAIN
HIS X 67 NE2	HIS Y 254 NE2	5.434	INTER-CHAIN
HIS X 67 NE2	ARG Y 256 NH1	2.736	INTER-CHAIN
ARG Y 226 NH1	HIS X 67 NE2	2.786	INTER-CHAIN
ARG Y 226 NH2	HIS X 67 NE2	2.755	INTER-CHAIN
HIS Y 254 ND1	HIS X 67 ND1	2.570	INTER-CHAIN
HIS Y 254 ND1	HIS X 67 NE2	4.348	INTER-CHAIN
HIS Y 254 NE2	HIS X 67 ND1	2.668	INTER-CHAIN
HIS Y 254 NE2	HIS X 67 NE2	5.434	INTER-CHAIN
ARG Y 256 NH1	HIS X 67 NE2	2.736	INTER-CHAIN
ARG Y 256 NH2	HIS X 67 NE2	2.347	INTER-CHAIN

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Protrusion Index:
HIS X 67 N	-0.05
HIS X 67 CA	0.00
HIS X 67 C	0.05
HIS X 67 O	0.11
HIS X 67 CB	0.04
HIS X 67 CG	0.09
HIS X 67 ND1	0.08
HIS X 67 CD2	0.18
HIS X 67 CE1	0.17
HIS X 67 NE2	0.25

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Van der Waal's Interactions:
SER X 47 OG 354	HIS X 67 NE2 518	-0.008	INTRA-CHAIN
PRO X 48 CD 361	HIS X 67 NE2 518	-0.043	INTRA-CHAIN
HIS X 67 NE2 518	ASN X 69 ND2 540	-0.036	INTRA-CHAIN
HIS X 67 NE2 518	HIS Y 254 NE2 1401	-0.171	INTER-CHAIN